Gag p24 Is a Marker of Human Immunodeficiency Virus Expression in Tissues and Correlates with Immune Response

Guoxin Wu, Paul Zuck, Shih Lin Goh, Jeffrey M. Milush, Poonam Vohra, Joseph K. Wong, Ma Somsouk, Steven A. Yukl, Barbara L. Shacklett, Nicolas Chomont, Ashley T. Haase, Hiroyu Hatano, Timothy W. Schacker, Steven G. Deeks, Daria J. Hazuda, Peter W. Hunt, Bonnie J. Howell

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We demonstrate that human immunodeficiency virus (HIV) gag p24 protein is more readily detected in gut and lymph node tissues than in blood CD4+ T cells and correlates better with CD4 count during antiretroviral therapy (ART). Gut p24 levels also measurably decline with ART in natural controllers. During ART, gut p24 expression is more strongly associated both with HIV-specific CD8+ T-cell frequency and plasma soluble CD14 levels than gut HIV RNA expression. This study supports using gag p24 as a marker of HIV expression in HIV+ tissues to study effects of viral persistence and to monitor efficacy of treatment in HIV-based clearance studies.

Original languageEnglish (US)
Pages (from-to)1593-1598
Number of pages6
JournalJournal of Infectious Diseases
Volume224
Issue number9
DOIs
StatePublished - Nov 1 2021

Keywords

  • biomarker
  • fine needle aspirates
  • gag p24
  • HIV
  • HIV persistence
  • lymph nodes
  • rectal biopsy

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

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